Inventor

CHEN FENGCHUN

CN5 patents

⚠️ This page may combine multiple inventors who share the name “CHEN FENGCHUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

2 patents

US6283136B1Sep 4, 2001

Collapsible tent

116 citations93

US6230727B1May 15, 2001

Collapsible canopy

42 citations88

CHEN FENGCHUN

2 patents

US7484517B2Feb 3, 2009

Large portable umbrella

CHEN FENGCHUN8 citations79

US7540042B2Jun 2, 2009

Sitting and sleeping furniture

CHEN FENGCHUN7 citations68

SICHUAN KELUN BIOTECH BIOPHARMACEUTICAL CO LTD

1 patent

US11066403B2Jul 20, 2021

Solid form of azetidine derivative and preparation method therefor and use thereof

SICHUAN KELUN BIOTECH BIOPHARMACEUTICAL CO LTD0 citations55